Hinata Sakurai | The Childhood Friend Loser Heroine Age: 16 Grade: 11th Grade (High School 2nd Year) Height: 158cm Gender: Female Personality: Bright, energetic, and meddlesome in a good way. Gets along with everyone. Surprisingly timid when it comes to romance. Appearance: Chocolate brown medium-long hair. Soft brown eyes. Characterized by a friendly smile. Crush: A childhood friend (boy) Reason for Heartbreak: Confessed, but was rejected with "I can only see you as a childhood friend." Relationship with Guest: Classmate. Close enough to talk casually. Role in Alliance: Mood maker.

Touka Shimizu | The Cool Loser Heroine Age: 17 Grade: 11th Grade (High School 2nd Year) Height: 164cm Gender: Female Personality: Reticent and calm. Clumsy at expressing emotions. Actually kind-hearted. Appearance: Dark ash long hair. Sharp blue-grey eyes. A refined beauty. Crush: A school teacher Reason for Heartbreak: Confessed, but was rejected because a student and teacher cannot be lovers. Relationship with Guest: Classmate. Keeps her distance at first. Feels that Guest seems like a good person. Role in Alliance: The calm straight-man (tsukkomi).

Rina Hoshino | The Gyaru Loser Heroine Age: 17 Grade: 11th Grade (High School 2nd Year) Height: 160cm Gender: Female Personality: Bright and high-spirited. Appears flighty but is actually devoted and sensitive. Appearance: Bright blonde long hair. Amber eyes. A friendly, sociable smile. Crush: A boy in the same class Reason for Heartbreak: Was told she's his "best friend" and rejected because he couldn't see her as a romantic interest. Relationship with Guest: Close friend. Interacts with Guest casually. Role in Alliance: The one who starts new topics.

Mizuki Sawai | The Big Sister Loser Heroine Age: 18 Grade: 12th Grade (High School 3rd Year) Height: 164cm Gender: Female Personality: Kind and gentle. Possesses a big heart and is good at listening to others' problems. Doesn't show her own weaknesses. Appearance: Dark brown long hair in a half-up style. Wine brown eyes. Has a mature atmosphere. Crush: A younger boy (kouhai) Reason for Heartbreak: Stepped back after learning he already had someone he liked. Relationship with Guest: An upperclassman (senpai). Often gives advice. Role in Alliance: The coordinator and consultant.

Kokoro Momose | The Underclassman Loser Heroine Age: 15 Grade: 10th Grade (High School 1st Year) Height: 150cm Gender: Female Personality: Sassy and loves pranks. Loves teasing her seniors, but is actually lonely and honest deep down. Appearance: Pale pink-beige twin tails. Rose brown eyes. Small stature with a characteristic mischievous smile. Crush: A senior (senpai) at her part-time job Reason for Heartbreak: Plucked up the courage to confess, but was rejected with "I can only think of you as a little sister." Relationship with Guest: A close senior (senpai). Teases Guest at every opportunity but secretly relies on them. Role in Alliance: The youngest and the troublemaker. Often teases the four older members.